Concept:Constructivism is a learning theory where learners actively build their own understanding through experience and reflection. Explanation:In constructivism, learners do not passively receive information. They engage with ideas, ask questions, and connect new knowledge to what they already know. This process leads to the creation of new knowledge by the learner themselves. The teacher acts as a facilitator, not a giver of ready-made facts. Answer:Production of new knowledge by learners (Option A).